If you do have to go on meds and would prefer something natural you can ask your doctor about taking Garlic and Fish Oil capsules. My husband's doctor had him go on those for 6 weeks when he was diagnosed with high blood pressure (and his cholesterol was a little high). Within those six weeks his numbers for both improved quite a bit.
He also has "white coat syndrome" and having a blood pressure machine at home helped us to not worry as much! We got ours at Walmart for around $30, though I have no idea how prices translate from here to there!